X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxbios.c;h=44711b53c420c33e9aea15f891c70b7e47b385cf;hb=c044e3e5d62089a53f1eacf99be9ecc1bb7cd012;hp=e9a13f990bbcbd4676f4ec59c5243259e9d84ffa;hpb=26b964b587007caace43f0dda8db1ac4a8c97e3d;p=pcsx_rearmed.git

diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c
index e9a13f99..44711b53 100644
--- a/libpcsxcore/psxbios.c
+++ b/libpcsxcore/psxbios.c
@@ -541,13 +541,35 @@ void psxBios_strncat() { // 0x16
 
 void psxBios_strcmp() { // 0x17
 	char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
-
+	s32 n=0;
+	if (a0 == 0 && a1 == 0)
+	{
+		v0 = 0;
+		pc0 = ra;
+		return;
+	}
+	else if (a0 == 0 && a1 != 0)
+	{
+		v0 = -1;
+		pc0 = ra;
+		return;
+	}
+	else if (a0 != 0 && a1 == 0)
+	{
+		v0 = 1;
+		pc0 = ra;
+		return;
+	}
 #ifdef PSXBIOS_LOG
 	PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 #endif
 
 	while (*p1 == *p2++) {
+		n++;
 		if (*p1++ == '\0') {
+			v1=n-1;
+			a0+=n;
+			a1+=n;
 			v0 = 0;
 			pc0 = ra;
 			return;
@@ -555,6 +577,9 @@ void psxBios_strcmp() { // 0x17
 	}
 
 	v0 = (*p1 - *--p2);
+	v1 = n;
+	a0+=n;
+	a1+=n;
 	pc0 = ra;
 }
 
@@ -2417,6 +2442,13 @@ void psxBios__new_card() { // 0x50
 	pc0 = ra;
 }
 
+/* According to a user, this allows Final Fantasy Tactics to save/load properly */
+void psxBios__get_error(void) // 55
+{ 
+	v0 = 0;
+	pc0 = ra;
+}
+
 void psxBios_Krom2RawAdd() { // 0x51
 	int i = 0;
 
@@ -2839,7 +2871,7 @@ void psxBiosInit() {
 	//biosB0[0x52] = psxBios_sys_b0_52;
 	//biosB0[0x53] = psxBios_sys_b0_53;
 	//biosB0[0x54] = psxBios__get_errno;
-	//biosB0[0x55] = psxBios__get_error;
+	biosB0[0x55] = psxBios__get_error;
 	biosB0[0x56] = psxBios_GetC0Table;
 	biosB0[0x57] = psxBios_GetB0Table;
 	biosB0[0x58] = psxBios__card_chan;